扩展GridView控件 - 响应行的单击事件和双击事件

【IT168技术文档】

  扩展GridView控件：
  响应行的单击事件和双击事件，并在服务端处理

  使用方法（设置属性）：
  BoundRowClickCommandName - 行的单击事件需要绑定的CommandName
  BoundRowDoubleClickCommandName - 行的双击事件需要绑定的CommandName


  单击

using System;
using System.Collections.Generic;
using System.Text;
using System.Web.UI.WebControls;
using System.Web.UI;
namespace YYControls.SmartGridViewFunction
{
/**//// <summary>
/// 扩展功能：响应行的单击事件
/// </summary>
    public class RowClickFunction : ExtendFunction
{
List<string> _rowClickButtonUniqueIdList = new List<string>();
/**//// <summary>
/// 构造函数
/// </summary>
        public RowClickFunction()
: base()
{
}
/**//// <summary>
/// 构造函数
/// </summary>
/// <param name="sgv">SmartGridView对象</param>
        public RowClickFunction(SmartGridView sgv)
: base(sgv)
{
}
/**//// <summary>
/// 扩展功能的实现
/// </summary>
        protected override void Execute()
{
this._sgv.RowDataBoundCell += new SmartGridView.RowDataBoundCellHandler(_sgv_RowDataBoundCell);
this._sgv.RenderBegin += new SmartGridView.RenderBeginHandler(_sgv_RenderBegin);
}
/**//// <summary>
/// RowDataBoundCell
/// </summary>
/// <param name="sender"></param>
/// <param name="gvtc"></param>
        void _sgv_RowDataBoundCell(object sender, GridViewTableCell gvtc)
{
TableCell tc = gvtc.TableCell;
foreach (Control c in tc.Controls)
{
IButtonControl ibc = c as IButtonControl;
if (ibc != null && this._sgv.BoundRowClickCommandName == ibc.CommandName)
{
// 300毫秒后响应单击事件的脚本（避免和双击事件冲突）
                    string js = this._sgv.Page.ClientScript.GetPostBackClientHyperlink(c, "");
js = js.Insert(11, "setTimeout(\"");
js += "\", 300)";
GridViewRow gvr = tc.Parent as GridViewRow;
Helper.Common.SetAttribute(gvr, "onclick", js, AttributeValuePosition.Last);
_rowClickButtonUniqueIdList.Add(c.UniqueID);
}
}
}
/**//// <summary>
/// RenderBegin
/// </summary>
/// <param name="sender"></param>
/// <param name="writer"></param>
        void _sgv_RenderBegin(object sender, HtmlTextWriter writer)
{
foreach (string uniqueId in this._rowClickButtonUniqueIdList)
{
// 注册回发或回调数据以进行验证
                this._sgv.Page.ClientScript.RegisterForEventValidation(uniqueId);
}
}
}
}